Re: [Groff] Bottom Line of tbl Cell.

[Denis M. Wilson]

Ralph, I cannot solve your problem, but observe that there are two
warnings (I always use -ww):

warning: number register `3bot' not defined
warning: macro `T&' not defined

You need a .nr 3bot 0 and .if !d T& .ds T&

before .TS

The best I could do was replace your 3bot line by the two
lines

    T}
    \^:3,141.59

which would put the number in a more conventional place, vertically
centred.

Also rather than using cat -s why not put the following at the end:

.br
.pl \n[nl]u

Denis

On Mon, 02 Apr 2012 13:03:18 +0100
Ralph Corderoy <address@hidden> wrote:

> Hi,
> 
> Consider
> 
>     .\" set -eu
>     .\" f=foo
>     .\" tbl $f.tbl >$f.tr
>     .\" groff -Tutf8 $f.tr | cat -s
>     .\" groff $f.tr | ps2pdf - $f.pdf
>     .\" exit
>     .
>     .ad l
>     .nh
>     .
>     .sp |1i
>     .TS
>     center tab(:);
>     c c
>     l n.
>     =
>     Description:\(Po
>     _
>     T{
>     Few things are harder to put up with than the annoyance of a good
>     example.  \(em Mark Twain
>     T}:\v'\n[3bot]u-1v'3,141.59
>     _
>     .T&
>     r n.
>     Amount due:3,141.59
>     _
>     .TE
> 
> It gives
> 
>     ─────────────────────────────────
>          Description           £
>     ─────────────────────────────────
>     Few things are harder
>     to put up with than
>     the annoyance of a
>     good example.  — Mark
>     Twain                   3,141.59
>     ─────────────────────────────────
>                Amount due   3,141.59
>     ─────────────────────────────────
> 
> The use of \n[3bot] to have the initial 3,141.59 level with the last
> line of the text block rather than the first seems a bit fragile;
> does anyone have anything better?
> 
> Whilst here, note how the `=' above `Description' in the PDF has
> become a single line of U+2500;  it would be nice if it were U+2550.
> 
>     ────  http://www.fileformat.info/info/unicode/char/2500/
>     ════  http://www.fileformat.info/info/unicode/char/2550/
> 
> troff's output with -Tutf8 draws the two lines atop one another,
> 
>     H384
>     md
>     s10
>     Dl 768 0
>     H384
>     Dl 768 0
> 
> with no vertical movement between them so I don't think grotty(1) can
> be expected to know it's really two lines and not a genuine case of
> the ink hitting the same place twice.  Is there any room for troff to
> take tbl's line drawing and pass two lines onto grotty despite the
> lower resolution?  Or for tbl to generate troff that's conditional on
> the output device?
> 
> sed '/^$/{n; s/─/═/g}' fixes things up in my case but it would be nice
> for tables everywhere to benefit.
> 
> Cheers, Ralph.
> 


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